/** Copyright 2020-2023 Alibaba Group Holding Limited.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.v6d.modules.basic.columnar;

import org.apache.arrow.vector.FieldVector;

class ArrowFieldVectorAccessor {
    public final FieldVector accessor;

    ArrowFieldVectorAccessor(FieldVector vector) {
        this.accessor = vector;
    }

    public final FieldVector getVector() {
        return accessor;
    }

    final boolean isNullAt(int rowId) {
        return accessor.isNull(rowId);
    }

    final int getNullCount() {
        return accessor.getNullCount();
    }

    final int getValueCount() {
        return accessor.getValueCount();
    }

    final void close() {
        accessor.close();
    }

    Object getObject(int rowId) {
        throw new UnsupportedOperationException();
    }

    void setSafe(int rowId, Object value) {
        if (value == null) {
            this.accessor.setNull(rowId);
        } else {
            this.setObject(rowId, value);
        }
    }

    void setObject(int rowId, Object value) {
        throw new UnsupportedOperationException();
    }
}
